Composer 2.5 vs Kimi Linear
Cursor Composer 2.5 | Moonshot AI Kimi Linear | |
|---|---|---|
| Overview | ||
| Company | Cursor | Moonshot AI |
| Release date | May 18 2026 | Oct 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 48B |
| Benchmarks | ||
Multilingual coding SWE-Bench MultilingualLike SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better. | 79.8% | — |
Agentic coding CursorBench v3.1Cursor's own test of harder, real-world coding tasks inside a code editor. Higher is better. | 63.2% | — |
Next.js coding Next.js EvalsVercel's open eval of how well AI coding agents build and migrate real Next.js apps — measured as the share of tasks the agent completes successfully. Higher is better. | 92% | — |
Agentic terminal coding Terminal-Bench 2.0Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? (Version 2.0 of the test.) Higher is better. | 69.3% | — |
| Timeline | ||
| Release gap | Kimi Linear shipped 229 days before Composer 2.5 | |
Which is better: Composer 2.5 or Kimi Linear?
Composer 2.5 and Kimi Linear don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi Linear shipped 229 days before Composer 2.5, so benchmark comparisons should account for the intervening progress.
Composer 2.5 is proprietary, while Kimi Linear is open weight.
Direct benchmark comparisons are unavailable — Composer 2.5 and Kimi Linear don't publish scores on any of the same benchmarks.
Frequently asked questions
Composer 2.5 was released by Cursor on May 18 2026.
Kimi Linear was released by Moonshot AI on Oct 2025.
Composer 2.5 is a proprietary model released by Cursor. Kimi Linear is an open weight model released by Moonshot AI.
Other comparisons
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